The late Tang dynasty and five dynasties period Yang Shi Hou and ZhuLiang dynasty rise and fall of dynasty To spy out

Yang ShiHouis the name of the late Tang dynasty and five dynasties,later Liangdynasty of a high-ranking official with heavy responsibility.He was a strong supporters and the biggest threat of Later Liang dynasty.In rise and fall of Liang dynasty,he played a role in the process of the relationship between the rise and fall of Liang dynasty,why he was both a important Liang dynasty officials but the biggest threat,he and the remnants of what caused collapse of Liang regime and to promote changes in the situation of the five dynasties.